Upon his feet. Because of David’s age and physical weakness it had probably not been expected that he would be able to address the assemblage in person.
My brethren, and my people. By these words David desired his people to understand that he recognized all Israel as near of kin to himself — that the whole nation was one large family of which David was considered the head (see 1 Sam. 30:23; 2 Sam. 19:12).
In mine heart. Compare ch. 22:7. David’s one great ambition had been to build the Temple as a permanent home for the ark of the Lord.
Footstool. The idea of worshiping at God’s footstool is expressed in Ps. 99:5; 132:7.
Had made ready. This verse seems to imply that David had begun preliminary preparations before the prohibition was announced.